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Research Article Open access CC BY 4.0

Characteristics of Insulating Panels Realised from Coconut Palm Fibres for Low-Temperature Thermal Insulation

Daniel Segla Mededji, Elie Sogbochi, Ayihaou Armand Djossou, Omar Cherkaoui, Latif Adéniyi Fagbemi, Dominique Codjo Koko Sohounhloue

International Journal of Environment and Climate Change · pp. 324–335 · Published 24 May 2024

10.9734/ijecc/2024/v14i54192

Abstract

In recent years, there has been growing interest in issues relating to pollution and energy consumption, and the resulting regulations have led the construction sector to focus on thermal insulation. The application of bio-based insulation materials can help to minimise the environmental impact of buildings by reducing energy demand both during construction and over the lifetime of the building. Agroforestry biomass plays an interesting role, as its use can reduce greenhouse gas emissions. The aim of this work is to produce insulating panels from agroforestry by-products for low-temperature thermal insulation applications.  The insulating panels in this study are produced from coconut palm fibres and their thermophysical properties are determined. They were produced using a human-motricity press and the temperature rise was controlled using the hot-tape method. Characteristics such as calorific value and modelling of temperature rise as a function of time to calculate thermal conductivity, thermal effusivity and diffusivity were determined. The calorific value varies from 3668.0 to 4135.0 and from 3742.0 to 4186.0 cal.g-1 when the moisture content is 11.28 and 10.61%, respectively. The thermal conductivity, effusivity and thermal diffusivity are 0.4 W.m-1.K-1, 760.30 J.m-2.°C-1.s-1/2 and 2.73.10-7 m.s-1, respectively. In view of these results, coconut fibre represents a potential precursor to produce insulating panels.

Eco-materials insulation environment thermophysical properties

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Cited by 6

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Mycelium–coir-based composites for sustainable building insulation

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